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      <h2 id="一、什么是Spring-Boot"><a href="#一、什么是Spring-Boot" class="headerlink" title="一、什么是Spring Boot"></a>一、什么是Spring Boot</h2><p>Spring Boot是用来简化Spring应用的初始搭建以及开发过程。该框架可以内嵌Web服务器(tomcat/jetty)，可将开发的web应用不需要作为war包部署到web服务器，而是作为一个可执行程序。Spring Boot专注于快速方便地开发单个个体微服务。</p>
<h2 id="二、Spring-Boot优点"><a href="#二、Spring-Boot优点" class="headerlink" title="二、Spring Boot优点"></a>二、Spring Boot优点</h2><ol>
<li>易上手，提升开发效率，为Spring开发提供一个更简便的体检</li>
<li>避免了繁琐的配置</li>
<li>提供一系列大型项目通用的非业务性功能，如：内嵌服务器、安全管理运行数据监控、运行状况检查等</li>
<li>避免大量的Maven导入和各种版本冲突</li>
</ol>
<h2 id="三、第一个程序-helloSpringBoot"><a href="#三、第一个程序-helloSpringBoot" class="headerlink" title="三、第一个程序:helloSpringBoot"></a>三、第一个程序:helloSpringBoot</h2><h3 id="1-官网构建项目"><a href="#1-官网构建项目" class="headerlink" title="1.  官网构建项目"></a>1.  官网构建项目</h3><p><a href="https://start.spring.io/" target="_blank" rel="noopener">https://start.spring.io/</a></p>
<p><img src="https://yolin121.oss-cn-beijing.aliyuncs.com/blogimg/Snipaste_2020-11-16_18-20-15.jpg" alt=""></p>
<a id="more"></a>
<h3 id="2-导入项目"><a href="#2-导入项目" class="headerlink" title="2.  导入项目"></a>2.  导入项目</h3><h3 id="3-编写第一个程序"><a href="#3-编写第一个程序" class="headerlink" title="3.  编写第一个程序"></a>3.  编写第一个程序</h3><p><img src="https://yolin121.oss-cn-beijing.aliyuncs.com/blogimg/Snipaste_2020-11-16_22-25-58.jpg" alt=""></p>
<p><img src="https://yolin121.oss-cn-beijing.aliyuncs.com/blogimg/Snipaste_2020-11-16_22-27-26.jpg" alt=""></p>
<p>只用了简单的几步就完成了web接口的开发，所以我们常用它来建立我们的微服务项目！</p>
<h2 id="四、pom-xml分析"><a href="#四、pom-xml分析" class="headerlink" title="四、pom.xml分析"></a>四、pom.xml分析</h2><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br></pre></td><td class="code"><pre><span class="line">&lt;?xml version&#x3D;&quot;1.0&quot; encoding&#x3D;&quot;UTF-8&quot;?&gt;</span><br><span class="line">&lt;project xmlns&#x3D;&quot;http:&#x2F;&#x2F;maven.apache.org&#x2F;POM&#x2F;4.0.0&quot; xmlns:xsi&#x3D;&quot;http:&#x2F;&#x2F;www.w3.org&#x2F;2001&#x2F;XMLSchema-instance&quot;</span><br><span class="line">	xsi:schemaLocation&#x3D;&quot;http:&#x2F;&#x2F;maven.apache.org&#x2F;POM&#x2F;4.0.0 https:&#x2F;&#x2F;maven.apache.org&#x2F;xsd&#x2F;maven-4.0.0.xsd&quot;&gt;</span><br><span class="line">	&lt;modelVersion&gt;4.0.0&lt;&#x2F;modelVersion&gt;</span><br><span class="line">	&lt;parent&gt;</span><br><span class="line">		&lt;groupId&gt;org.springframework.boot&lt;&#x2F;groupId&gt;</span><br><span class="line">		&lt;artifactId&gt;spring-boot-starter-parent&lt;&#x2F;artifactId&gt;</span><br><span class="line">		&lt;version&gt;2.4.0&lt;&#x2F;version&gt;</span><br><span class="line">		&lt;relativePath&#x2F;&gt; &lt;!-- lookup parent from repository --&gt;</span><br><span class="line">	&lt;&#x2F;parent&gt;</span><br><span class="line">	&lt;groupId&gt;xyz.yolin&lt;&#x2F;groupId&gt;</span><br><span class="line">	&lt;artifactId&gt;helloworld&lt;&#x2F;artifactId&gt;</span><br><span class="line">	&lt;version&gt;0.0.1-SNAPSHOT&lt;&#x2F;version&gt;</span><br><span class="line">	&lt;name&gt;helloworld&lt;&#x2F;name&gt;</span><br><span class="line">	&lt;description&gt;Demo project for Spring Boot&lt;&#x2F;description&gt;</span><br><span class="line"></span><br><span class="line">	&lt;properties&gt;</span><br><span class="line">		&lt;java.version&gt;11&lt;&#x2F;java.version&gt;</span><br><span class="line">	&lt;&#x2F;properties&gt;</span><br><span class="line"></span><br><span class="line">	&lt;dependencies&gt;</span><br><span class="line">		&lt;dependency&gt;</span><br><span class="line">			&lt;groupId&gt;org.springframework.boot&lt;&#x2F;groupId&gt;</span><br><span class="line">			&lt;artifactId&gt;spring-boot-starter-web&lt;&#x2F;artifactId&gt;</span><br><span class="line">		&lt;&#x2F;dependency&gt;</span><br><span class="line"></span><br><span class="line">		&lt;dependency&gt;</span><br><span class="line">			&lt;groupId&gt;org.springframework.boot&lt;&#x2F;groupId&gt;</span><br><span class="line">			&lt;artifactId&gt;spring-boot-starter-test&lt;&#x2F;artifactId&gt;</span><br><span class="line">			&lt;scope&gt;test&lt;&#x2F;scope&gt;</span><br><span class="line">		&lt;&#x2F;dependency&gt;</span><br><span class="line">	&lt;&#x2F;dependencies&gt;</span><br><span class="line"></span><br><span class="line">	&lt;build&gt;</span><br><span class="line">		&lt;plugins&gt;</span><br><span class="line">			&lt;plugin&gt;</span><br><span class="line">				&lt;groupId&gt;org.springframework.boot&lt;&#x2F;groupId&gt;</span><br><span class="line">				&lt;artifactId&gt;spring-boot-maven-plugin&lt;&#x2F;artifactId&gt;</span><br><span class="line">			&lt;&#x2F;plugin&gt;</span><br><span class="line">		&lt;&#x2F;plugins&gt;</span><br><span class="line">	&lt;&#x2F;build&gt;</span><br><span class="line"></span><br><span class="line">&lt;&#x2F;project&gt;</span><br></pre></td></tr></table></figure>

<p>如上所示，主要有四个部分：</p>
<ol>
<li><p><strong>项目原数据信息</strong>：即Maven项目的基本元素，包括：groupId、artifactId、version、name、description等</p>
</li>
<li><p><strong>parent</strong>:继承<a href="#">spring-boot-starter-parent</a>的依赖管理，控制版本与打包等内容</p>
</li>
<li><p><strong>dependencies</strong>（项目具体依赖）:</p>
<blockquote>
<p>  <a href="#">spring-boot-starter-web</a>:用于实现HTTP接口（该依赖包含了Spring MVC），使用Tomcat作为默认嵌入式容器</p>
<p>  <a href="#">spring-boot-starter-test</a>:单元测试</p>
</blockquote>
</li>
<li><p><strong>build</strong>（构建配置部分）:默认使用了spring-boot-maven-plugin，可以把Spring Boot应用打成JAR来直接运行。</p>
</li>
</ol>
<h2 id="五、将项目打成jar包运行"><a href="#五、将项目打成jar包运行" class="headerlink" title="五、将项目打成jar包运行"></a>五、将项目打成jar包运行</h2><p><img src="https://yolin121.oss-cn-beijing.aliyuncs.com/blogimg/Snipaste_2020-11-17_00-19-17.jpg" alt=""></p>
<p>在jar包所在目录下使用如下命令即可</p>
<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">java -jar xxx.jar</span><br></pre></td></tr></table></figure>

<p><img src="https://yolin121.oss-cn-beijing.aliyuncs.com/blogimg/Snipaste_2020-11-17_00-23-19.jpg" alt=""></p>
<h2 id="六、Idea中构建项目"><a href="#六、Idea中构建项目" class="headerlink" title="六、Idea中构建项目"></a>六、Idea中构建项目</h2><p>官方为我们提供了一个快速生成的网站，Idea则集成了这个网站，所以一般开发我们会使用idea来构建Spring Boot项目</p>
<p><img src="https://yolin121.oss-cn-beijing.aliyuncs.com/blogimg/Snipaste_2020-11-17_13-10-59.jpg" alt=""></p>
<p><img src="https://yolin121.oss-cn-beijing.aliyuncs.com/blogimg/Snipaste_2020-11-17_13-13-01.jpg" alt=""></p>
<p><img src="https://yolin121.oss-cn-beijing.aliyuncs.com/blogimg/Snipaste_2020-11-17_13-15-06.jpg" alt=""></p>
<p>点击finish完成创建！</p>
<h2 id="七、修改端口和banner"><a href="#七、修改端口和banner" class="headerlink" title="七、修改端口和banner"></a>七、修改端口和banner</h2><h3 id="端口"><a href="#端口" class="headerlink" title="端口"></a>端口</h3><p>在resources下的<a href="#">application.properties</a>文件中添加下面的内容</p>
<pre><code>#   更改项目端口号
server.port=80</code></pre><h3 id="修改banner图案"><a href="#修改banner图案" class="headerlink" title="修改banner图案"></a>修改banner图案</h3><p><a href="https://www.bootschool.net/ascii-art" target="_blank" rel="noopener">ASCII艺术字（图）集</a></p>
<p>复制好内容，在resources目录下新建<a href="#">banner.txt</a>文件，粘贴内容</p>
<h3 id="效果"><a href="#效果" class="headerlink" title="效果"></a>效果</h3><p><img src="https://yolin121.oss-cn-beijing.aliyuncs.com/blogimg/Snipaste_2020-11-17_13-42-30.jpg" alt=""></p>

      
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                <div class="pswp__preloader">
                    <div class="pswp__preloader__icn">
                        <div class="pswp__preloader__cut">
                            <div class="pswp__preloader__donut"></div>
                        </div>
                    </div>
                </div>
            </div>

            <div class="pswp__share-modal pswp__share-modal--hidden pswp__single-tap">
                <div class="pswp__share-tooltip"></div>
            </div>

            <button class="pswp__button pswp__button--arrow--left" title="Previous (arrow left)">
            </button>

            <button class="pswp__button pswp__button--arrow--right" title="Next (arrow right)">
            </button>

            <div class="pswp__caption">
                <div class="pswp__caption__center"></div>
            </div>

        </div>

    </div>

</div>

<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/photoswipe@4.1.3/dist/photoswipe.min.css">
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/photoswipe@4.1.3/dist/default-skin/default-skin.css">
<script src="https://cdn.jsdelivr.net/npm/photoswipe@4.1.3/dist/photoswipe.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/photoswipe@4.1.3/dist/photoswipe-ui-default.min.js"></script>

<script>
    function viewer_init() {
        let pswpElement = document.querySelectorAll('.pswp')[0];
        let $imgArr = document.querySelectorAll(('.article-entry img:not(.reward-img)'))

        $imgArr.forEach(($em, i) => {
            $em.onclick = () => {
                // slider展开状态
                // todo: 这样不好，后面改成状态
                if (document.querySelector('.left-col.show')) return
                let items = []
                $imgArr.forEach(($em2, i2) => {
                    let img = $em2.getAttribute('data-idx', i2)
                    let src = $em2.getAttribute('data-target') || $em2.getAttribute('src')
                    let title = $em2.getAttribute('alt')
                    // 获得原图尺寸
                    const image = new Image()
                    image.src = src
                    items.push({
                        src: src,
                        w: image.width || $em2.width,
                        h: image.height || $em2.height,
                        title: title
                    })
                })
                var gallery = new PhotoSwipe(pswpElement, PhotoSwipeUI_Default, items, {
                    index: parseInt(i)
                });
                gallery.init()
            }
        })
    }
    viewer_init()
</script>



<script type="text/x-mathjax-config">
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      tex2jax: {
          inlineMath: [ ['$','$'], ["\\(","\\)"]  ],
          processEscapes: true,
          skipTags: ['script', 'noscript', 'style', 'textarea', 'pre', 'code']
      }
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  MathJax.Hub.Queue(function() {
      var all = MathJax.Hub.getAllJax(), i;
      for(i=0; i < all.length; i += 1) {
          all[i].SourceElement().parentNode.className += ' has-jax';
      }
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</script>

<script src="https://cdn.jsdelivr.net/npm/mathjax@2.7.6/unpacked/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script>


<script type="text/javascript" src="https://js.users.51.la/20544303.js"></script>
  </div>
</body>

</html>